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SubjectRe: [PATCH 45/79] [PATCH] fix apic acking of irqs
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"Maciej W. Rozycki" <macro@linux-mips.org> writes:
>
> Please note that ESR may hold some leftover state from whatever happened
> before Linux has taken control, so it is reasonable and I think actually
> recommended by Intel (FWIW) to clear the register before enabling the
> error interrupt. For how to clear the ESR properly, please see
> setup_local_APIC() -- subtle differences and errata in various APIC
> implementations have made it more complicated than necessary, sigh...

iirc a lot of the ESR weirdness was on NUMAQ only, which is down to one
of two last machines running Linux which will hopefully die soon ...

-Andi



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